Toy building element
FIG. 1 is a top perspective view of a toy building element showing our new design; 
     FIG. 2 is a bottom perspective view thereof; 
     FIG. 3 is a side elevational view thereof, all other sides being identical; 
     FIG. 4 is a top plan view thereof; and, 
     FIG. 5 is a bottom plan view thereof.